An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2

Introduction

This article describes an update for Hyper-V Best Practices Analyzer (BPA) for Windows Server 2008 R2 and for Microsoft Hyper-V Server 2008 R2 systems (KB 977238). This update includes fixes for issues between BPA and new features that were introduced in Windows Server 2008 R2 Service Pack 1 (SP1). This update also includes fixes for issues in BPA.

This update applies to Windows Server 2008 R2 RTM-based computers and to Microsoft Hyper-V Server 2008 R2-based computers, both with and without SP1.

This update fixes the following issue when you run Hyper-V BPA against a computer that is running Microsoft Hyper-V Server 2008 R2 or Microsoft Hyper-V Server 2008 R2 SP1:

BPA incorrectly reports that the server core installation is recommended for servers that are running Hyper-V.

This update fixes the following issues when you run Hyper-V BPA against a Windows Server 2008 R2-based computer that has the Hyper-V role installed or against a Microsoft Hyper-V Server 2008 R2-based computer:

Issue 1

When you have at least one existing file share on the server, BPA incorrectly warns you that Hyper-V should be the only enabled role. After you install this update, the File Server role feature of the File Services role is excluded from the scan. The reason for exclusion is that a file share is required for several backup applications or management applications to be created. We strongly recommend that you limit file sharing use to those applications. The computer should not be used as a generic file server.

Issue 2

When you have error-correcting RAM installed on the server, Hyper-V BPA may incorrectly report that error-correcting RAM is not installed.

This update fixes the following issues when you run Hyper-V BPA against a Windows Server 2008 R2 SP1-based computer that has the Hyper-V role installed or against a Microsoft Hyper-V Server 2008 R2 SP1-based computer:

Issue 1

When you configure a virtual machine by using the dynamic memory, Hyper-V BPA may incorrectly report that minimum memory settings are configured incorrectly.

Issue 2

When you have the Remote Desktop Virtualization Host role service installed on the server, Hyper-V BPA incorrectly warns that Hyper-V should be the only enabled role.

Issue 3

Hyper-V BPA may incorrectly report that the number of virtual processors that are being used must not exceed the supported maximum number of virtual processors if you have only Windows 7-based virtual machines that are running on the server.

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running one of the following operating systems:

Windows Server 2008 R2

Windows Server 2008 R2 Service Pack 1 (SP1)

Microsoft Hyper-V Server 2008 R2

Microsoft Hyper-V Server 2008 R2 Service Pack 1 (SP1)

Additionally, you must have the Hyper-V role installed for Windows Server 2008 R2 and for Windows Server 2008 R2 Service Pack 1 (SP1).

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are very important for maintaining the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.